Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

Light to moderate snow will continue into Saturday over the Great Lakes, Central Appalachians, and Northeast. This weekend into next week, a series of atmospheric rivers will bring gusty winds, periods of heavy rain, and mountain snow to northern California and the Pacific Northwest. Colder temperatures are in store for the weekend from the Great Lakes to East Coast. Read More >

CHICAGO NORMALS (1991-2020)
JAN	FEB	MAR	APR	MAY	JUN	JUL	AUG	SEP	OCT	NOV	DEC

May Normals for Chicago for Temperature and Precipitation

Day of Month	High	Low	Average	HDD	CDD	Precipitation
1	65.1	45.6	55.4	10.2	0.6	0.15
2	65.5	46	55.7	9.9	0.6	0.14
3	65.9	46.3	56.1	9.6	0.7	0.15
4	66.2	46.7	56.4	9.3	0.7	0.15
5	66.6	47	56.8	9	0.8	0.14
6	67	47.3	57.2	8.7	0.9	0.14
7	67.3	47.7	57.5	8.5	1	0.15
8	67.7	48	57.8	8.2	1	0.15
9	68.1	48.3	58.2	7.9	1.1	0.15
10	68.4	48.6	58.5	7.7	1.2	0.15
11	68.8	49	58.9	7.4	1.3	0.15
12	69.1	49.3	59.2	7.1	1.4	0.15
13	69.5	49.6	59.6	6.9	1.5	0.16
14	69.9	49.9	59.9	6.7	1.6	0.15
15	70.2	50.3	60.2	6.4	1.7	0.14
16	70.6	50.6	60.6	6.2	1.8	0.15
17	70.9	50.9	60.9	6	1.9	0.15
18	71.2	51.2	61.2	5.8	2	0.14
19	71.6	51.6	61.6	5.6	2.2	0.15
20	71.9	51.9	61.9	5.4	2.3	0.15
21	72.3	52.2	62.3	5.2	2.4	0.15
22	72.6	52.5	62.6	5	2.6	0.15
23	73	52.9	62.9	4.8	2.7	0.14
24	73.3	53.2	63.3	4.6	2.8	0.14
25	73.7	53.5	63.6	4.4	3	0.14
26	74	53.9	63.9	4.1	3.1	0.13
27	74.3	54.2	64.3	3.9	3.2	0.14
28	74.7	54.6	64.6	3.7	3.3	0.14
29	75	54.9	65	3.5	3.5	0.13
30	75.4	55.2	65.3	3.3	3.6	0.13
31	75.7	55.6	65.6	3.1	3.8	0.14

MONTH	70.5	50.6	60.6	198.1	60.3	4.49

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Snow Across the Great Lakes, Central Appalachians, and Northeast; Unsettled Weather in the West

May Normals for Temperature and Precipitation for Chicago